フリー問題

問題文

The survey shows that reports from the existing sensors disappear for a few seconds every several minutes, and the team brings a spectrum analyzer to that aisle. Which pair states what the spectrum sweep can settle about the gaps and what it leaves out?

選択肢

1. The instrument sees energy but not frames, so the swept reading shows the wideband handover and the same reading omits the sending amplitudes in that documentation.
2. The instrument sees energy but not frames, so the swept reading shows the wideband handover and the same reading omits the sending addresses in that documentation.
3. The instrument sees energy but not frames, so the swept reading shows the wideband interference and the same reading omits the sending addresses in that documentation.
4. The instrument sees energy but not frames, so the swept reading shows the wideband interference and the same reading omits the sending amplitudes in that documentation.